Heavy and Strange Holographic Baryons

Abstract

We extend the $D4$-$D8$ holographic construction to include three chiral and one heavy flavor, to describe heavy-light baryons with strangeness and their exotics. At strong coupling, the heavy meson always binds to the bulk instanton in the form of a flavor zero mode in the fundamental representation. We quantize the ensuing bound states using the collective quantization method, to obtain the spectra of heavy and strange baryons with both explicit and hidden charm and bottom. Our results confirm the existence of two low-lying charmed penta-quark states with ${\frac{1}{2}}^{-},{\frac{3}{2}}^{-}$ assignments, and predict many new ones with both charm and bottom. They also suggest a quartet of low-lying neutral ${\Omega }_c^0$ with assignments ${\frac{1}{2}}^{\pm },{\frac{3}{2}}^{\pm }$ that are heavier than the quintuplet of neutral ${\Omega }_c^0$ recently reported by LHCb.

14 pages, 1 figure. arXiv admin note: substantial text overlap with arXiv:1704.03412

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• Gravitational form factors of pion from top-down holographic QCD
• Heavy quark spin multiplet structure of $P_c$-like pentaquark as P-wave hadronic molecular state
• Holographic charm and bottom pentaquarks II: Open and hidden decay widths
• Holographic charm and bottom pentaquarks I: Mass spectra with spin effects
• Holographic charm and bottom pentaquarks III: Excitations through photo-production of heavy mesons
• The D4/D8 model and holographic QCD
• Holographic three flavor baryon in the Witten-Sakai-Sugimoto model with the D0-D4 background
• Corrections to the instanton configuration as baryon in holographic QCD
• Scalar-glueball-mediated scale-anomaly dominance of the confining pressure of the pion in holographic QCD
• Observation of the doubly charmed baryon ${\Xi }_{cc}^{+}$ with the LHCb Run 3 detector